CVE-2021-29969 SUSE CVE security@suse.de SUSE Security Team SUSE CVE-2021-29969 Interim 1 29 2025-05-09T00:30:52Z current 2021-07-17T00:48:22Z 2025-05-09T00:30:52Z cve-database/bin/generate-cvrf-cve.pl 2020-12-27T01:00:00Z CVE-2021-29969 If Thunderbird was configured to use STARTTLS for an IMAP connection, and an attacker injected IMAP server responses prior to the completion of the STARTTLS handshake, then Thunderbird didn't ignore the injected data. This could have resulted in Thunderbird showing incorrect information, for example the attacker could have tricked Thunderbird to show folders that didn't exist on the IMAP server. This vulnerability affects Thunderbird < 78.12. The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). https://lists.suse.com/pipermail/sle-security-updates/2021-July/009206.html E-Mail link for SUSE-SU-2021:2458-1 https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/ABQT6TDIB2IQ4ZZNUZXMHLE7ZDVD4YBM/ E-Mail link for openSUSE-SU-2021:1091-1 https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/AQOPHIOAWOQQLB7SCESJM5UI67QUVORM/ E-Mail link for openSUSE-SU-2021:2458-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings HPE Helion OpenStack 8 SUSE Liberty Linux 7 SUSE Liberty Linux 8 SUSE Linux Enterprise Workstation Extension 15 SP2 SUSE Linux Enterprise Workstation Extension 15 SP3 SUSE Linux Enterprise Workstation Extension 15 SP4 SUSE Linux Enterprise Workstation Extension 15 SP5 SUSE Linux Enterprise Workstation Extension 15 SP6 SUSE Linux Enterprise Workstation Extension 15 SP7 SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Module for Package Hub 15 SP4 SUSE Linux Enterprise Module for Package Hub 15 SP5 SUSE Linux Enterprise Module for Package Hub 15 SP6 SUSE Linux Enterprise Module for Package Hub 15 SP7 SUSE Linux Enterprise Server 12 SP2-BCL SUSE Linux Enterprise Server 12 SP4-ESPOS SUSE Linux Enterprise Server 12 SP4-LTSS SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Workstation Extension 15 SP2 SUSE Linux Enterprise Workstation Extension 15 SP3 SUSE Linux Enterprise Workstation Extension 15 SP4 SUSE Linux Enterprise Workstation Extension 15 SP5 SUSE Linux Enterprise Workstation Extension 15 SP6 SUSE Linux Enterprise Workstation Extension 15 SP7 SUSE Linux Enterprise Server Teradata 12 SP3 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE Linux Enterprise Workstation Extension 15 SP2 SUSE Linux Enterprise Workstation Extension 15 SP3 SUSE Linux Enterprise Workstation Extension 15 SP4 SUSE Linux Enterprise Workstation Extension 15 SP5 SUSE Linux Enterprise Workstation Extension 15 SP6 SUSE Linux Enterprise Workstation Extension 15 SP7 SUSE OpenStack Cloud 8 SUSE OpenStack Cloud 9 SUSE OpenStack Cloud Crowbar 8 SUSE OpenStack Cloud Crowbar 9 openSUSE Leap 15.2 openSUSE Leap 15.3 openSUSE Leap 15.4 openSUSE Tumbleweed MozillaFirefox MozillaFirefox-devel MozillaFirefox-translations-common MozillaThunderbird-78.12.0-8.33.1 MozillaThunderbird-78.12.0-lp152.2.48.2 MozillaThunderbird-91.1.1-1.1 MozillaThunderbird-91.8.0-150200.8.65.1 MozillaThunderbird-translations-common-78.12.0-8.33.1 MozillaThunderbird-translations-common-78.12.0-lp152.2.48.2 MozillaThunderbird-translations-common-91.1.1-1.1 MozillaThunderbird-translations-common-91.8.0-150200.8.65.1 MozillaThunderbird-translations-other-78.12.0-8.33.1 MozillaThunderbird-translations-other-78.12.0-lp152.2.48.2 MozillaThunderbird-translations-other-91.1.1-1.1 MozillaThunderbird-translations-other-91.8.0-150200.8.65.1 thunderbird-78.12.0-2.el7_9 thunderbird-78.12.0-3.el8_4 thunderbird-78.12.0-2.el7_9 as a component of SUSE Liberty Linux 7 thunderbird-78.12.0-3.el8_4 as a component of SUSE Liberty Linux 8 MozillaThunderbird-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Module for Package Hub 15 SP4 MozillaThunderbird-translations-common-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Module for Package Hub 15 SP4 MozillaThunderbird-translations-other-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Module for Package Hub 15 SP4 MozillaThunderbird-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Module for Package Hub 15 SP5 MozillaThunderbird-translations-common-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Module for Package Hub 15 SP5 MozillaThunderbird-translations-other-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Module for Package Hub 15 SP5 MozillaThunderbird-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Module for Package Hub 15 SP6 MozillaThunderbird-translations-common-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Module for Package Hub 15 SP6 MozillaThunderbird-translations-other-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Module for Package Hub 15 SP6 MozillaThunderbird-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Module for Package Hub 15 SP7 MozillaThunderbird-translations-common-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Module for Package Hub 15 SP7 MozillaThunderbird-translations-other-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Module for Package Hub 15 SP7 MozillaThunderbird-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP2 MozillaThunderbird-translations-common-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP2 MozillaThunderbird-translations-other-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP2 MozillaThunderbird-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP3 MozillaThunderbird-translations-common-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP3 MozillaThunderbird-translations-other-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP3 MozillaThunderbird-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP4 MozillaThunderbird-translations-common-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP4 MozillaThunderbird-translations-other-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP4 MozillaThunderbird-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP5 MozillaThunderbird-translations-common-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP5 MozillaThunderbird-translations-other-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP5 MozillaThunderbird-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP6 MozillaThunderbird-translations-common-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP6 MozillaThunderbird-translations-other-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP6 MozillaThunderbird-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP7 MozillaThunderbird-translations-common-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP7 MozillaThunderbird-translations-other-78.12.0-8.33.1 as a component of SUSE Linux Enterprise Workstation Extension 15 SP7 MozillaThunderbird-78.12.0-lp152.2.48.2 as a component of openSUSE Leap 15.2 MozillaThunderbird-translations-common-78.12.0-lp152.2.48.2 as a component of openSUSE Leap 15.2 MozillaThunderbird-translations-other-78.12.0-lp152.2.48.2 as a component of openSUSE Leap 15.2 MozillaThunderbird-78.12.0-8.33.1 as a component of openSUSE Leap 15.3 MozillaThunderbird-translations-common-78.12.0-8.33.1 as a component of openSUSE Leap 15.3 MozillaThunderbird-translations-other-78.12.0-8.33.1 as a component of openSUSE Leap 15.3 MozillaThunderbird-91.8.0-150200.8.65.1 as a component of openSUSE Leap 15.4 MozillaThunderbird-translations-common-91.8.0-150200.8.65.1 as a component of openSUSE Leap 15.4 MozillaThunderbird-translations-other-91.8.0-150200.8.65.1 as a component of openSUSE Leap 15.4 MozillaThunderbird-91.1.1-1.1 as a component of openSUSE Tumbleweed MozillaThunderbird-translations-common-91.1.1-1.1 as a component of openSUSE Tumbleweed MozillaThunderbird-translations-other-91.1.1-1.1 as a component of openSUSE Tumbleweed MozillaFirefox as a component of HPE Helion OpenStack 8 MozillaFirefox-devel as a component of HPE Helion OpenStack 8 MozillaFirefox-translations-common as a component of HPE Helion OpenStack 8 MozillaFirefox as a component of SUSE Linux Enterprise High Performance Computing 12 SP5 MozillaFirefox as a component of SUSE Linux Enterprise Server 12 SP2-BCL MozillaFirefox-devel as a component of SUSE Linux Enterprise Server 12 SP2-BCL MozillaFirefox-translations-common as a component of SUSE Linux Enterprise Server 12 SP2-BCL MozillaFirefox as a component of SUSE Linux Enterprise Server 12 SP4-ESPOS MozillaFirefox-devel as a component of SUSE Linux Enterprise Server 12 SP4-ESPOS MozillaFirefox-translations-common as a component of SUSE Linux Enterprise Server 12 SP4-ESPOS MozillaFirefox as a component of SUSE Linux Enterprise Server 12 SP4-LTSS MozillaFirefox-devel as a component of SUSE Linux Enterprise Server 12 SP4-LTSS MozillaFirefox-translations-common as a component of SUSE Linux Enterprise Server 12 SP4-LTSS MozillaFirefox as a component of SUSE Linux Enterprise Server 12 SP5 MozillaFirefox-devel as a component of SUSE Linux Enterprise Server 12 SP5 MozillaFirefox-translations-common as a component of SUSE Linux Enterprise Server 12 SP5 MozillaFirefox as a component of SUSE Linux Enterprise Server Teradata 12 SP3 MozillaFirefox as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 MozillaFirefox-devel as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 MozillaFirefox-translations-common as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 MozillaFirefox as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP5 MozillaFirefox as a component of SUSE OpenStack Cloud 8 MozillaFirefox-devel as a component of SUSE OpenStack Cloud 8 MozillaFirefox-translations-common as a component of SUSE OpenStack Cloud 8 MozillaFirefox as a component of SUSE OpenStack Cloud 9 MozillaFirefox-devel as a component of SUSE OpenStack Cloud 9 MozillaFirefox-translations-common as a component of SUSE OpenStack Cloud 9 MozillaFirefox as a component of SUSE OpenStack Cloud Crowbar 8 MozillaFirefox-devel as a component of SUSE OpenStack Cloud Crowbar 8 MozillaFirefox-translations-common as a component of SUSE OpenStack Cloud Crowbar 8 MozillaFirefox as a component of SUSE OpenStack Cloud Crowbar 9 MozillaFirefox-devel as a component of SUSE OpenStack Cloud Crowbar 9 MozillaFirefox-translations-common as a component of SUSE OpenStack Cloud Crowbar 9 If Thunderbird was configured to use STARTTLS for an IMAP connection, and an attacker injected IMAP server responses prior to the completion of the STARTTLS handshake, then Thunderbird didn't ignore the injected data. This could have resulted in Thunderbird showing incorrect information, for example the attacker could have tricked Thunderbird to show folders that didn't exist on the IMAP server. This vulnerability affects Thunderbird < 78.12. CVE-2021-29969 SUSE Liberty Linux 7:thunderbird-78.12.0-2.el7_9 SUSE Liberty Linux 8:thunderbird-78.12.0-3.el8_4 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP4:MozillaThunderbird-translations-common-78.12.0-8.33.1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP4:MozillaThunderbird-translations-other-78.12.0-8.33.1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP5:MozillaThunderbird-translations-common-78.12.0-8.33.1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP5:MozillaThunderbird-translations-other-78.12.0-8.33.1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP6:MozillaThunderbird-translations-common-78.12.0-8.33.1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP6:MozillaThunderbird-translations-other-78.12.0-8.33.1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP7:MozillaThunderbird-translations-common-78.12.0-8.33.1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP7:MozillaThunderbird-translations-other-78.12.0-8.33.1 SUSE Linux Enterprise Module for Package Hub 15 SP4:MozillaThunderbird-78.12.0-8.33.1 SUSE Linux Enterprise Module for Package Hub 15 SP4:MozillaThunderbird-translations-common-78.12.0-8.33.1 SUSE Linux Enterprise Module for Package Hub 15 SP4:MozillaThunderbird-translations-other-78.12.0-8.33.1 SUSE Linux Enterprise Module for Package Hub 15 SP5:MozillaThunderbird-78.12.0-8.33.1 SUSE Linux Enterprise Module for Package Hub 15 SP5:MozillaThunderbird-translations-common-78.12.0-8.33.1 SUSE Linux Enterprise Module for Package Hub 15 SP5:MozillaThunderbird-translations-other-78.12.0-8.33.1 SUSE Linux Enterprise Module for Package Hub 15 SP6:MozillaThunderbird-78.12.0-8.33.1 SUSE Linux Enterprise Module for Package Hub 15 SP6:MozillaThunderbird-translations-common-78.12.0-8.33.1 SUSE Linux Enterprise Module for Package Hub 15 SP6:MozillaThunderbird-translations-other-78.12.0-8.33.1 SUSE Linux Enterprise Module for Package Hub 15 SP7:MozillaThunderbird-78.12.0-8.33.1 SUSE Linux Enterprise Module for Package Hub 15 SP7:MozillaThunderbird-translations-common-78.12.0-8.33.1 SUSE Linux Enterprise Module for Package Hub 15 SP7:MozillaThunderbird-translations-other-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP2:MozillaThunderbird-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP2:MozillaThunderbird-translations-common-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP2:MozillaThunderbird-translations-other-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP3:MozillaThunderbird-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP3:MozillaThunderbird-translations-common-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP3:MozillaThunderbird-translations-other-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP4:MozillaThunderbird-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP4:MozillaThunderbird-translations-common-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP4:MozillaThunderbird-translations-other-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP5:MozillaThunderbird-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP5:MozillaThunderbird-translations-common-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP5:MozillaThunderbird-translations-other-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP6:MozillaThunderbird-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP6:MozillaThunderbird-translations-common-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP6:MozillaThunderbird-translations-other-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP7:MozillaThunderbird-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP7:MozillaThunderbird-translations-common-78.12.0-8.33.1 SUSE Linux Enterprise Workstation Extension 15 SP7:MozillaThunderbird-translations-other-78.12.0-8.33.1 openSUSE Leap 15.2:MozillaThunderbird-78.12.0-lp152.2.48.2 openSUSE Leap 15.2:MozillaThunderbird-translations-common-78.12.0-lp152.2.48.2 openSUSE Leap 15.2:MozillaThunderbird-translations-other-78.12.0-lp152.2.48.2 openSUSE Leap 15.3:MozillaThunderbird-78.12.0-8.33.1 openSUSE Leap 15.3:MozillaThunderbird-translations-common-78.12.0-8.33.1 openSUSE Leap 15.3:MozillaThunderbird-translations-other-78.12.0-8.33.1 openSUSE Leap 15.4:MozillaThunderbird-91.8.0-150200.8.65.1 openSUSE Leap 15.4:MozillaThunderbird-translations-common-91.8.0-150200.8.65.1 openSUSE Leap 15.4:MozillaThunderbird-translations-other-91.8.0-150200.8.65.1 openSUSE Tumbleweed:MozillaThunderbird-91.1.1-1.1 openSUSE Tumbleweed:MozillaThunderbird-translations-common-91.1.1-1.1 openSUSE Tumbleweed:MozillaThunderbird-translations-other-91.1.1-1.1 important 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H